In Testing the Hypotheses
H0: μ = 20
HA: μ $\bar { X }$

question 84

Essay

In testing the hypotheses
H0: μ = 20
HA: μ < 20
the following information was given:  = 8.1, n = 100, $\bar { X }$ = 18.1, α = 0.025.
a. Calculate the value of the test statistic.
b. Set up the rejection region.
c. Determine the p-value.
d. Interpret the result.

---

Definitions:

Principals

Individuals or entities who authorize agents to act on their behalf in business transactions or other matters.

Esteem Needs

Higher-level psychological needs involving self-respect, achievement, status, and recognition by others, according to Maslow's hierarchy of needs.

Positive View of Oneself

An individual's perception or attitude towards themselves that is favorable, characterized by self-confidence and self-respect.

Physiological Needs

Basic human necessities such as food, water, shelter, and warmth that must be satisfied for survival.